Section #: 7.1 Weathering

Practice Test
      
  1.The chemical reaction of oxygen with other substances is called __________.  
  a.   oxidation  
  b.   erosion  
  c.   hydrolysis  
  d.   reduction  
  Hint    
      
  2.The __________ the total surface area, the __________ chemical weathering that can occur.  
  a.   greater, same  
  b.   greater, more  
  c.   greater, less  
  d.   smaller, more  
  Hint    
      
  3.What human activity causes acid precipitation to form?  
  a.   clear cutting  
  b.   burning of fossil fuels and motor vehicle exhaust  
  c.   drilling for oil and natural gas  
  d.   surface mining  
  Hint    
      
  4.What is the process by which rocks at Earth's surface break down and change?  
  a.   erosion  
  b.   exfoliation  
  c.   weathering  
  d.   hydrolysis  
  Hint    
      
  5.What two substances combine to form carbonic acid?  
  a.   carbon dioxide and water  
  b.   carbon dioxide and nitrogen  
  c.   methane and water  
  d.   oxygen and carbon dioxide  
  Hint    
      
  6.In what type of climate does chemical weathering readily occur?  
  a.   cool and wet  
  b.   warm and wet  
  c.   cool and dry  
  d.   warm and dry  
  Hint    
      
  7.What is the reaction of water with other substances called?  
  a.   hydrolysis  
  b.   erosion  
  c.   physical weathering  
  d.   oxidation  
  Hint    
      
  8.The repeated thawing and freezing of water in the cracks of rocks is called __________.  
  a.   exfoliation  
  b.   frost wedging  
  c.   frost pressure  
  d.   chemical weathering  
  Hint    
      
  9.Physical weathering rates are highest in areas with __________.  
  a.   warm and dry climates  
  b.   repeated freezing and thawing  
  c.   cool and dry climates  
  d.   warm and wet climates  
  Hint    
      
  10.How does temperature affect chemical weathering?  
  a.   It affects the rate of weathering.  
  b.   It affects the amount of oxygen involved in weathering.  
  c.   It affects the type of weathering.  
  d.   It is an agent of weathering.  
  Hint    
      
  11.According to the map in the figure, around which latitude would you expect to see the most physical weathering?



 
  a.   between 30 and 60 degrees north in North America  
  b.   between 30 and 60 degrees south in Australia  
  c.   above 60 degrees north in Asia  
  d.   around 30 degrees north in Africa  
  Hint    
      
  12.When rocks undergo chemical changes as the result of chemical reactions it is called __________.  
  a.   chemical weathering  
  b.   hydrolysis  
  c.   erosion  
  d.   frost wedging  
  Hint    
      
  13.What type of weathering involves changes in the size or shape of the rock?  
  a.   physical weathering  
  b.   pressure weathering  
  c.   chemical weathering  
  d.   hydrolysis  
  Hint    
      
  14.According to the map in the figure, which land mass undergoes the least amount of chemical weathering?



 
  a.   Africa  
  b.   Asia  
  c.   Australia  
  d.   South America  
  Hint    

 
   
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